Update README_hd.md (#26872)
* Update README_hd.md
- Fixed broken links
I hope this small contribution adds value to this project.
* Update README_hd.md
Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>
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Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>